This name is a synonym of Plantago rhodosperma Decne..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50148837) with original publication details: Prodr. 13: 722 1852.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:685110-1.
This name was in version 1 of The Plant List, record tro-50148837, and has not been changed.